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Ambarella
AMBA

207 hedge funds and large institutions have $870M invested in Ambarella in 2018 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 66 increasing their positions, 60 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

10% more repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 60

7% more call options, than puts

Call options by funds: $66.3M | Put options by funds: $62.1M

1.84% less ownership

Funds ownership: 69.19% → 67.36% (-1.8%)

6% less funds holding

Funds holding: 220 → 207 (-13)

24% less first-time investments, than exits

New positions opened: 32 | Existing positions closed: 42

25% less capital invested

Capital invested by funds: $1.16B → $870M (-$294M)

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

Holders
207
Holders Change
-13
Holders Change %
-5.91%
% of All Funds
4.74%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
32
Increased
66
Reduced
60
Closed
42
Calls
$66.3M
Puts
$62.1M
Net Calls
+$4.16M
Net Calls Change
-$80.1M

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
+$18.6M
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$10.5M
3
VBA
Van Berkom & Associates
Quebec, Canada
+$7.91M
4
FG
Formula Growth
Quebec, Canada
+$7.59M
5
Wellington Management Group
Wellington Management Group
Massachusetts
+$7.44M

Top Sellers

1
Ameriprise
Ameriprise
Minnesota
-$33M
2
AllianceBernstein
AllianceBernstein
Tennessee
-$18.4M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$17.5M
4
PSCM
Prince Street Capital Management
New York
-$14.1M
5
Renaissance Technologies
Renaissance Technologies
New York
-$13.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
CTA
51
Carillon Tower Advisers
Florida
$2.66M -$70.4K -1,488 -2%
MCG
52
McCollum Christoferson Group
New York
$2.56M -$33K -697 -1%
GT
53
Greenleaf Trust
Michigan
$2.44M -$9.52K -201 -0.3%
TA
54
Teachers Advisors
New York
$2.39M +$82.9K +1,751 +3%
ZDA
55
Zweig-DiMenna Associates
New York
$2.38M +$2.92M +61,709 New
Charles Schwab
56
Charles Schwab
California
$2.36M +$166K +3,500 +6%
Swiss National Bank
57
Swiss National Bank
Switzerland
$2.26M – – –
Wells Fargo
58
Wells Fargo
California
$2.15M -$746K -15,755 -22%
Stifel Financial
59
Stifel Financial
Missouri
$2.13M -$322K -6,808 -11%
FCM
60
Firsthand Capital Management
California
$1.93M – – –
California State Teachers Retirement System (CalSTRS)
61
California State Teachers Retirement System (CalSTRS)
California
$1.91M +$5.3K +112 +0.2%
Two Sigma Investments
62
Two Sigma Investments
New York
$1.89M -$15.4K -325 -0.7%
CAM
63
Cortina Asset Management
Wisconsin
$1.88M +$342K +7,223 +17%
DI
64
Dalton Investments
Nevada
$1.83M – – –
ACM
65
Axel Capital Management
New York
$1.78M +$2.18M +46,000 New
QT
66
Quantbot Technologies
New York
$1.76M +$2.16M +45,606 New
Capital Fund Management (CFM)
67
Capital Fund Management (CFM)
France
$1.7M +$2.09M +44,111 New
HI
68
Handelsinvest Investeringsforvaltning
Denmark
$1.61M – – –
CS
69
Credit Suisse
Switzerland
$1.6M +$442K +9,343 +29%
AllianceBernstein
70
AllianceBernstein
Tennessee
$1.59M -$18.4M -387,904 -90%
RJA
71
Raymond James & Associates
Florida
$1.56M -$121K -2,562 -6%
Man Group
72
Man Group
United Kingdom
$1.54M -$144K -3,040 -7%
D.E. Shaw & Co
73
D.E. Shaw & Co
New York
$1.48M -$9.96M -210,464 -85%
RJFSA
74
Raymond James Financial Services Advisors
Florida
$1.41M +$1.73M +36,561 New
AC
75
AMS Capital
Brazil
$1.37M +$1.68M +35,553 New
1 2
3
4 5

AMBA Hedge Fund Activity: Q2 2018 in Review

207 of the 4,368 institutional investors tracked by Wall St. Rank reported a position in Ambarella (AMBA) for Q2 2018, worth a combined $870M — down 25% from $1.16B a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of AMBA and 32 opened new positions — a net loss of 10 holders — while 60 trimmed existing stakes and 66 added.

The largest buyer was Citadel Advisors, adding an estimated $18.6M. The largest seller was Ameriprise, exiting entirely with an estimated $33M sold.

  • 207 institutional investors held Ambarella (AMBA) as of Q2 2018, down from 220 in Q1 2018.
  • Funds reported $870M of Ambarella stock for Q2 2018, down 25% quarter-over-quarter.
  • 32 funds opened new Ambarella positions in Q2 2018 and 42 closed out, a net change of -10 holders.
  • The largest Ambarella buyer in Q2 2018 was Citadel Advisors, an estimated $18.6M added.
  • The largest Ambarella seller in Q2 2018 was Ameriprise, an estimated $33M sold.

Based on aggregated 13F filings for Q2 2018.